icvWriteFileNode 3384 modules/core/src/persistence.cpp icvWriteFileNode( CvFileStorage* fs, const char* name, const CvFileNode* node );
icvWriteFileNode 3402 modules/core/src/persistence.cpp             icvWriteFileNode( fs, name, &elem->value );
icvWriteFileNode 3456 modules/core/src/persistence.cpp         icvWriteFileNode( fs, new_node_name, node );